(intransitive) To loseconsciousness. Caused by a lack of oxygen or nutrients to the brain, usually as a result of a suddenly reduced blood flow (may be caused by emotional trauma, loss of blood or various medical conditions).

To sink into dejection; to lose courage or spirit; to become depressed or despondent.

From Middle English, from Old French feindre, faindre (“to feign, to sham, to work negligently”), from Latinfingere (“to touch, handle, usually form, shape, frame, form in thought, imagine, conceive, contrive, devise, feign”).